Home / 30,328,803.40-45,493,205.10-8,764,108.60

Finding the Fourth Proportional to 30,328,803.40, 45,493,205.10 and 8,764,108.60

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Solution

The fourth proportional to 30,328,803.40, 45,493,205.10 and 8,764,108.60 is: 13,146,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,328,803.40 : 45,493,205.10 = 8,764,108.60 : x
  2. Step 2: Convert to fraction form
    30,328,803.40/45,493,205.10 = 8,764,108.60/x
  3. Step 3: Cross multiply
    30,328,803.40x = 45,493,205.10 × 8,764,108.60
  4. Step 4: Simplify right side
    30,328,803.40x = 398,707,390,058,473.88
  5. Step 5: Solve for x
    x = 398,707,390,058,473.88/30,328,803.40
  6. Step 6: Final answer
    x = 13,146,162.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.